testing

src/test/java/mc/nbt/io/NbtInputStreamTest.java

@@ -0,0 +1,203 @@
+package mc.nbt.io;
+
+import mc.nbt.TypeTag;
+import mc.nbt.tag.*;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Iterator;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+//TODO необходимо добавить тесты для INT_ARRAY и LONG_ARRAY
+class NbtInputStreamTest {
+
+    @Test
+    void testSimple() throws IOException {
+        InputStream stream = NbtInputStreamTest.class.getResourceAsStream("/hello_world.nbt");
+        assertNotNull(stream);
+
+        NbtInputStream nbtInputStream = new NbtInputStream(stream);
+        Tag tag = nbtInputStream.readTag();
+        assertNotNull(tag);
+        assertEquals(TypeTag.COMPOUND, tag.getType());
+
+        TagCompound tagCompound = tag.asTagCompound();
+        assertEquals("hello world", tagCompound.getName());
+        assertEquals(1, tagCompound.getValue().size());
+
+        tag = tagCompound.getValue().get(0);
+        assertEquals(TypeTag.STRING, tag.getType());
+
+        TagString tagString = tag.asTagString();
+        assertEquals("name", tagString.getName());
+        assertEquals("Bananrama", tagString.getValue());
+    }
+
+    @Test
+    void testGZipped() throws IOException {
+        InputStream stream = NbtInputStreamTest.class.getResourceAsStream("/bigtest.nbt");
+        assertNotNull(stream);
+
+        NbtInputStream nbtInputStream = new NbtInputStream(stream, true);
+        Tag tag = nbtInputStream.readTag();
+        assertNotNull(tag);
+        assertEquals(TypeTag.COMPOUND, tag.getType());
+
+        TagCompound tagCompound = tag.asTagCompound();
+        assertEquals("Level", tagCompound.getName());
+        assertEquals(11, tagCompound.getValue().size());
+
+        tagCompound.getValue().forEach(tag1 -> {
+            switch (tag1.getType()) {
+                case BYTE: testTagByte(tag1.asTagByte()); break;
+                case SHORT: testTagShort(tag1.asTagShort()); break;
+                case INT: testTagInt(tag1.asTagInt()); break;
+                case LONG: testTagLong(tag1.asTagLong()); break;
+                case FLOAT: testTagFloat(tag1.asTagFloat()); break;
+                case DOUBLE: testTagDouble(tag1.asTagDouble()); break;
+                case BYTE_ARRAY: testTagByteArray(tag1.asTagByteArray()); break;
+                case STRING: testTagString(tag1.asTagString()); break;
+                case LIST: testTagList(tag1.asTagList()); break;
+                case COMPOUND: testTagCompound(tag1.asTagCompound()); break;
+            }
+        });
+    }
+
+    private void testTagByte(TagByte tag) {
+        assertEquals("byteTest", tag.getName());
+        assertEquals(Byte.MAX_VALUE, tag.getValue());
+    }
+
+    private void testTagShort(TagShort tag) {
+        assertEquals("shortTest", tag.getName());
+        assertEquals(Short.MAX_VALUE, tag.getValue());
+    }
+
+    private void testTagInt(TagInt tag) {
+        assertEquals("intTest", tag.getName());
+        assertEquals(Integer.MAX_VALUE, tag.getValue());
+    }
+
+    private void testTagLong(TagLong tag) {
+        assertEquals("longTest", tag.getName());
+        assertEquals(Long.MAX_VALUE, tag.getValue());
+    }
+
+    private void testTagFloat(TagFloat tag) {
+        assertEquals("floatTest", tag.getName());
+        assertEquals(0.49823147058486938f, tag.getValue());
+    }
+
+    private void testTagDouble(TagDouble tag) {
+        assertEquals("doubleTest", tag.getName());
+        assertEquals(0.49312871321823148d, tag.getValue());
+    }
+
+    private void testTagByteArray(TagByteArray tag) {
+        assertEquals("byteArrayTest " +
+                "(the first 1000 values of (n*n*255+n*7)%100, " +
+                "starting with n=0 (0, 62, 34, 16, 8, ...))", tag.getName());
+        assertEquals(1000, tag.getValue().length);
+
+        for (int n = 0; n < tag.getValue().length; n++) {
+            assertEquals((n * n * 255 + n * 7) % 100, tag.getValue()[n]);
+        }
+    }
+
+    private void testTagString(TagString tag) {
+        assertEquals("stringTest", tag.getName());
+        assertEquals("HELLO WORLD THIS IS A TEST STRING \305\304\326!", tag.getValue());
+    }
+
+    private void testTagList(TagList tag) {
+        if (tag.getName().equals("listTest (long)")) {
+            testTagListLong(tag);
+        } else if (tag.getName().equals("listTest (compound)")) {
+            testTagListCompound(tag);
+        } else {
+            fail("Unknown TagList(name=" + tag.getName() + ")");
+        }
+    }
+
+    private void testTagListLong(TagList tag) {
+        assertEquals(TypeTag.LONG, tag.getTypeList());
+        assertEquals(5, tag.getValue().size());
+
+        Iterator<Tag> iterator = tag.getValue().iterator();
+        for(int n = 11; n <= 15 && iterator.hasNext(); n++) {
+            assertEquals(n, iterator.next().asTagLong().getValue());
+        }
+    }
+
+    private void testTagListCompound(TagList tag) {
+        assertEquals(TypeTag.COMPOUND, tag.getTypeList());
+        assertEquals(2, tag.getValue().size());
+
+        {
+            TagCompound tagCompound = tag.getValue().get(0).asTagCompound();
+            assertNull(tagCompound.getName());
+            assertEquals(2, tagCompound.getValue().size());
+
+            TagString tagString = tagCompound.getValue().get(0).asTagString();
+            assertEquals("name", tagString.getName());
+            assertEquals("Compound tag #0", tagString.getValue());
+
+            TagLong tagLong = tagCompound.getValue().get(1).asTagLong();
+            assertEquals("created-on", tagLong.getName());
+            assertEquals(1264099775885L, tagLong.getValue());
+        }
+
+        {
+            TagCompound tagCompound = tag.getValue().get(1).asTagCompound();
+            assertNull(tagCompound.getName());
+            assertEquals(2, tagCompound.getValue().size());
+
+            TagString tagString = tagCompound.getValue().get(0).asTagString();
+            assertEquals("name", tagString.getName());
+            assertEquals("Compound tag #1", tagString.getValue());
+
+            TagLong tagLong = tagCompound.getValue().get(1).asTagLong();
+            assertEquals("created-on", tagLong.getName());
+            assertEquals(1264099775885L, tagLong.getValue());
+        }
+    }
+
+    private void testTagCompound(TagCompound tag) {
+        assertEquals("nested compound test", tag.getName());
+        assertEquals(2, tag.getValue().size());
+
+        {
+            TagCompound tagCompound = tag.getValue().get(0).asTagCompound();
+            assertEquals("ham", tagCompound.getName());
+            assertEquals(2, tagCompound.getValue().size());
+
+            {
+                TagString tagString = tagCompound.getValue().get(0).asTagString();
+                assertEquals("name", tagString.getName());
+                assertEquals("Hampus", tagString.getValue());
+
+                TagFloat tagFloat = tagCompound.getValue().get(1).asTagFloat();
+                assertEquals("value", tagFloat.getName());
+                assertEquals(0.75f, tagFloat.getValue());
+            }
+        }
+
+        {
+            TagCompound tagCompound = tag.getValue().get(1).asTagCompound();
+            assertEquals("egg", tagCompound.getName());
+            assertEquals(2, tagCompound.getValue().size());
+
+            {
+                TagString tagString = tagCompound.getValue().get(0).asTagString();
+                assertEquals("name", tagString.getName());
+                assertEquals("Eggbert", tagString.getValue());
+
+                TagFloat tagFloat = tagCompound.getValue().get(1).asTagFloat();
+                assertEquals("value", tagFloat.getName());
+                assertEquals(0.5f, tagFloat.getValue());
+            }
+        }
+    }
+}

src/test/java/mc/nbt/io/NbtOutputStreamCompressedTest.java

@@ -0,0 +1,33 @@
+package mc.nbt.io;
+
+import mc.nbt.TypeTag;
+import mc.nbt.tag.Tag;
+import mc.nbt.tag.TagLong;
+import org.apache.commons.lang3.RandomUtils;
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class NbtOutputStreamCompressedTest {
+
+    @Test
+    void testWriteCompressed() throws IOException {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        NbtOutputStream nbtOutputStream = new NbtOutputStream(baos, true);
+
+        TagLong tagLong = new TagLong("Test compressed stream", RandomUtils.nextLong());
+        nbtOutputStream.writeTag(tagLong);
+        nbtOutputStream.close();
+
+        NbtInputStream nbtInputStream = new NbtInputStream(new ByteArrayInputStream(baos.toByteArray()), true);
+        Tag tag = nbtInputStream.readTag();
+
+        assertEquals(TypeTag.LONG, tag.getType());
+        assertEquals(tagLong.getName(), tag.getName());
+        assertEquals(tagLong.getValue(), tag.asTagLong().getValue());
+    }
+}

src/test/java/mc/nbt/io/NbtOutputStreamTest.java

@@ -0,0 +1,331 @@
+package mc.nbt.io;
+
+import mc.nbt.TypeTag;
+import mc.nbt.tag.*;
+import org.apache.commons.lang3.RandomStringUtils;
+import org.apache.commons.lang3.RandomUtils;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class NbtOutputStreamTest {
+
+    private ByteArrayOutputStream baos;
+    private NbtOutputStream nbtOutputStream;
+
+    @BeforeEach
+    void before() throws IOException {
+        baos = new ByteArrayOutputStream();
+        nbtOutputStream = new NbtOutputStream(baos);
+    }
+
+    @Test
+    void testWriteTagEnd() throws IOException {
+        nbtOutputStream.writeTag(new TagEnd());
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.END, tag.getType());
+        assertNull(tag.getName());
+    }
+
+    private static Stream<Arguments> streamOfTagByte() {
+        final byte value = RandomUtils.nextBytes(1)[0];
+
+        return Stream.of(
+                Arguments.of(new TagByte(value)),
+                Arguments.of(new TagByte(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagByte")
+    void testWriteTagByte(TagByte tagByte) throws IOException {
+        nbtOutputStream.writeTag(tagByte);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.BYTE, tag.getType());
+        assertEquals(tagByte.getValue(), tag.asTagByte().getValue());
+        assertName(tagByte, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagShort() {
+        final short value = (short) RandomUtils.nextInt(0, Short.MAX_VALUE);
+
+        return Stream.of(
+                Arguments.of(new TagShort(value)),
+                Arguments.of(new TagShort(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagShort")
+    void testWriteTagShort(TagShort tagShort) throws IOException {
+        nbtOutputStream.writeTag(tagShort);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.SHORT, tag.getType());
+        assertEquals(tagShort.getValue(), tag.asTagShort().getValue());
+        assertName(tagShort, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagInt() {
+        final int value = RandomUtils.nextInt();
+
+        return Stream.of(
+                Arguments.of(new TagInt(value)),
+                Arguments.of(new TagInt(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagInt")
+    void testWriteTagInt(TagInt tagInt) throws IOException {
+        nbtOutputStream.writeTag(tagInt);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.INT, tag.getType());
+        assertEquals(tagInt.getValue(), tag.asTagInt().getValue());
+        assertName(tagInt, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagLong() {
+        final long value = RandomUtils.nextLong();
+
+        return Stream.of(
+                Arguments.of(new TagLong(value)),
+                Arguments.of(new TagLong(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagLong")
+    void testWriteTagLong(TagLong tagLong) throws IOException {
+        nbtOutputStream.writeTag(tagLong);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.LONG, tag.getType());
+        assertEquals(tagLong.getValue(), tag.asTagLong().getValue());
+        assertName(tagLong, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagFloat() {
+        final float value = RandomUtils.nextFloat();
+
+        return Stream.of(
+                Arguments.of(new TagFloat(value)),
+                Arguments.of(new TagFloat(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagFloat")
+    void testWriteTagFloat(TagFloat tagFloat) throws IOException {
+        nbtOutputStream.writeTag(tagFloat);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.FLOAT, tag.getType());
+        assertEquals(tagFloat.getValue(), tag.asTagFloat().getValue());
+        assertName(tagFloat, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagDouble() {
+        final double value = RandomUtils.nextDouble();
+
+        return Stream.of(
+                Arguments.of(new TagDouble(value)),
+                Arguments.of(new TagDouble(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagDouble")
+    void testWriteTagDouble(TagDouble tagDouble) throws IOException {
+        nbtOutputStream.writeTag(tagDouble);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.DOUBLE, tag.getType());
+        assertEquals(tagDouble.getValue(), tag.asTagDouble().getValue());
+        assertName(tagDouble, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagByteArray() {
+        final byte[] value = RandomUtils.nextBytes(RandomUtils.nextInt(1, 1000));
+
+        return Stream.of(
+                Arguments.of(new TagByteArray(value)),
+                Arguments.of(new TagByteArray(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagByteArray")
+    void testWriteTagByteArray(TagByteArray tagByteArray) throws IOException {
+        nbtOutputStream.writeTag(tagByteArray);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.BYTE_ARRAY, tag.getType());
+        assertArrayEquals(tagByteArray.getValue(), tag.asTagByteArray().getValue());
+        assertName(tagByteArray, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagString() {
+        final String value = randomString();
+
+        return Stream.of(
+                Arguments.of(new TagString(value)),
+                Arguments.of(new TagString(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagString")
+    void testWriteTagString(TagString tagString) throws IOException {
+        nbtOutputStream.writeTag(tagString);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.STRING, tag.getType());
+        assertEquals(tagString.getValue(), tag.asTagString().getValue());
+        assertName(tagString, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagList() {
+        final List<Tag> value = new ArrayList<>();
+        value.add(new TagLong("TestName", RandomUtils.nextLong()));
+        value.add(new TagLong(RandomUtils.nextLong()));
+        value.add(new TagLong(RandomUtils.nextLong()));
+        value.add(new TagLong(RandomUtils.nextLong()));
+
+        return Stream.of(
+                Arguments.of(new TagList(value)),
+                Arguments.of(new TagList(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagList")
+    void testWriteTagList(TagList tagList) throws IOException {
+        nbtOutputStream.writeTag(tagList);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.LIST, tag.getType());
+        assertEquals(tagList.getValue().size(), tag.asTagList().getValue().size());
+        assertEquals(tagList.getTypeList(), tag.asTagList().getTypeList());
+        assertName(tagList, tag);
+
+        for (int i = 0; i < tagList.getValue().size(); i++) {
+            TagLong tagLong1 = tagList.getValue().get(i).asTagLong();
+            TagLong tagLong2 = tag.asTagList().getValue().get(i).asTagLong();
+
+            assertNull(tagLong2.getName());
+            assertEquals(tagLong1.getValue(), tagLong2.getValue());
+        }
+    }
+
+    private static Stream<Arguments> streamOfTagCompound() {
+        final List<Tag> value = new ArrayList<>();
+        value.add(new TagLong("TestName1", RandomUtils.nextLong()));
+        value.add(new TagLong(RandomUtils.nextLong()));
+        value.add(new TagLong("TestName3",RandomUtils.nextLong()));
+        value.add(new TagLong(RandomUtils.nextLong()));
+
+        return Stream.of(
+                Arguments.of(new TagCompound(value)),
+                Arguments.of(new TagCompound(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagCompound")
+    void testWriteTagCompound(TagCompound tagCompound) throws IOException {
+        nbtOutputStream.writeTag(tagCompound);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.COMPOUND, tag.getType());
+        assertEquals(tagCompound.getValue().size(), tag.asTagCompound().getValue().size());
+        assertName(tagCompound, tag);
+
+        for (int i = 0; i < tagCompound.getValue().size(); i++) {
+            TagLong tagLong1 = tagCompound.getValue().get(i).asTagLong();
+            TagLong tagLong2 = tag.asTagCompound().getValue().get(i).asTagLong();
+
+            assertNotNull(tagLong2.getName());
+            assertName(tagLong1, tagLong2);
+            assertEquals(tagLong1.getValue(), tagLong2.getValue());
+        }
+    }
+
+    private static Stream<Arguments> streamOfTagIntArray() {
+        final int[] value = new int[RandomUtils.nextInt(1, 1000)];
+
+        for (int i = 0; i < value.length; i++) {
+            value[i] = RandomUtils.nextInt();
+        }
+
+        return Stream.of(
+                Arguments.of(new TagIntArray(value)),
+                Arguments.of(new TagIntArray(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagIntArray")
+    void testWriteTagIntArray(TagIntArray tagIntArray) throws IOException {
+        nbtOutputStream.writeTag(tagIntArray);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.INT_ARRAY, tag.getType());
+        assertArrayEquals(tagIntArray.getValue(), tag.asTagIntArray().getValue());
+        assertName(tagIntArray, tag);
+    }
+
+    private static Stream<Arguments> streamOfTagLongArray() {
+        final long[] value = new long[RandomUtils.nextInt(1, 1000)];
+
+        for (int i = 0; i < value.length; i++) {
+            value[i] = RandomUtils.nextLong();
+        }
+
+        return Stream.of(
+                Arguments.of(new TagLongArray(value)),
+                Arguments.of(new TagLongArray(randomString(), value))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("streamOfTagLongArray")
+    void testWriteTagLongArray(TagLongArray tagLongArray) throws IOException {
+        nbtOutputStream.writeTag(tagLongArray);
+
+        Tag tag = createNbtInputStream().readTag();
+        assertEquals(TypeTag.LONG_ARRAY, tag.getType());
+        assertArrayEquals(tagLongArray.getValue(), tag.asTagLongArray().getValue());
+        assertName(tagLongArray, tag);
+    }
+
+    private void assertName(Tag expectedTag, Tag actualTag) {
+        if (expectedTag.getName() == null) {
+            assertTrue(actualTag.getName().isEmpty());
+        } else {
+            assertEquals(expectedTag.getName(), actualTag.getName());
+        }
+    }
+
+    private static String randomString() {
+        return RandomStringUtils.randomAscii(RandomUtils.nextInt(1, Short.MAX_VALUE));
+    }
+
+    private NbtInputStream createNbtInputStream() throws IOException {
+        return new NbtInputStream(new ByteArrayInputStream(baos.toByteArray()));
+    }
+}

src/test/java/mc/nbt/tag/TagEndTest.java

@@ -0,0 +1,30 @@
+package mc.nbt.tag;
+
+import mc.nbt.TypeTag;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class TagEndTest {
+
+    @Test
+    void testUnsupportSetName() {
+        TagEnd tagEnd = new TagEnd();
+
+        assertThrows(UnsupportedOperationException.class, () -> tagEnd.setName("any"));
+    }
+
+    @Test
+    void testGetName() {
+        TagEnd tagEnd = new TagEnd();
+
+        assertNull(tagEnd.getName());
+    }
+
+    @Test
+    void testGetType() {
+        TagEnd tagEnd = new TagEnd();
+
+        assertEquals(TypeTag.END, tagEnd.getType());
+    }
+}